1 /* Copyright 2003 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2.1 of the
7 License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If
16 not, see <http://www.gnu.org/licenses/>. */
17
18 #include <link.h>
19
20 extern int weak_function
21 __dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
22 size_t size, void *data),
23 void *data);
24
25 /* Define it as a pointer, such that we get a pointer to the global
26 function descriptor, that won't be optimized away by the
27 linker. */
28 static int (*ptr) (int (*callback) (struct dl_phdr_info *info,
29 size_t size, void *data),
30 void *data) = __dl_iterate_phdr;
31
32 int
dl_iterate_phdr(int (* callback)(struct dl_phdr_info * info,size_t size,void * data),void * data)33 dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info,
34 size_t size, void *data),
35 void *data)
36 {
37 if (ptr)
38 return ptr (callback, data);
39
40 return 0;
41 }
42